package com.zyong.design.pattern.mediator.case2;

/**
 * @program: zyong-design-pattern
 * @ClassName: Colleague
 * @author: zyong
 * @create: 2024-04-02 23:51
 */
public interface Colleague {
    /**
     * 发送消息
     * @param stateChange
     */
    void sendMessage(int stateChange);
}
